With tales going back as far as 1770, the townhome at 50 Berkley Square in Mayfair, London has a sinister reputation.  A shapeless, menacing horror is said to haunt the second floor bedroom of the posh Westminster address and is responsible for the deaths of more than one intrepid soul who dare stay the night there.  In this episode we'll take an in-depth look at the facts and see if there is any truth to the legend of the Nameless Horror of Number 50 Berkley Square.